 Some of Madden's frequent and recurring themes in his music include the quest for spiritual fulfillment, inequity between the wealthy and shrinking middle class, a plea for ethics and accountability of politicians and business leaders for the welfare of the global community as a whole, and calls against the damage being done to the environment.With the U.S. and global economic collapse in 2008, from the 2006 album, "Gone", Madden presciently writes in the song "What in the World"